Re: [PATCH] elf.h: Add ELFCOMPRESS_ZSTD

[Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>]

On 22/07/22 20:08, Fangrui Song via Libc-alpha wrote:
> On 2022-07-18, Carlos O'Donell via Libc-alpha wrote:
>> On 7/11/22 00:58, Florian Weimer via Libc-alpha wrote:
>>> * Fangrui Song via Libc-alpha:
>>>
>>>> I wish that the macro definition can catch up the upcoming
>>>> https://sourceware.org/glibc/wiki/Release/2.36 [1], so that
>>>> projects can expect the value ELFCOMPRESS_ZSTD from elf.h.
>>>> The projects may choose to define the macro themselves,
>>>> but having the definition in an earlier release seems a good idea
>>>> anyway, and it the glibc definition makes it clearer ELFCOMPRESS_ZSTD
>>>> is standard and vendors can start adding support.
>>>>
>>>> [1]: https://sourceware.org/pipermail/libc-alpha/2022-July/140352.html
>>>> ("Release of glibc 2.36 in 1 month! Please add blockers and desirable for release.")
>>>
>>> This looks quite backportable to me, so it should not be a release
>>> blocker.  It's only a blocker if we apply the patch today, then we'd
>>> have to wait until the gABI assignment actually happens as expected.
>>
>> Agreed. This is a NACK from me as the RM until the gABI assignment happens.
>>
> 
> Cary has accepted this value: https://groups.google.com/g/generic-abi/c/satyPkuMisk/m/KwTF_U8rBAAJ
> (Thanks!)
> 
> Ed Maste from FreeBSD wants to define this in FreeBSD.
> 
> Shall we define it for glibc as well? :)

I think this is ok, we are already fixing bad designs so we most likely need
more time for testing.